False
Applications for spreadsheets offer a setting for effective data analysis. It contains a huge selection of instruments and formulas. The places where data is entered are called cells.
Data can be obtained from a database, pasted from another cell, or input directly into cells.
Select the data you want to copy and paste from another worksheet, then copy it and paste it into the desired worksheet. Only the worksheet has been duplicated with all the data and calculations; if necessary, the columns can be changed.
To learn more about this answer
https://brainly.com/question/13424615
#SPJ4
transcription and translation are seperate processes in gene expression; however they have simialarities. the following terms all relate to translation. which of these has a role that is most similar to that of the transcription start site during transcription
By converting the DNA code into a complementary RNA code, transcription is the process of creating RNA from a DNA template. The process of translating an mRNA template into a protein involves changing the mRNA's coding into the amino acid sequence of the protein.
DNA, the subunit, and the RNA polymerase core enzyme are the initial transcription components. mRNA, small and large ribosomal subunits, initiation factors, elongation factors, and tRNA are some of the components involved in translation. In order for the transcription enzyme to reach the template strand, a DNA double helix must be denatured. Since the template is a single mRNA strand, no such denaturing is required during translation. RNA is the end result of transcription and is found as mRNA and tRNA.
To learn more transcription and translation follow:
https://brainly.com/question/8411795
#SPJ4
What kingdom and class would this fossil belong to? Explain why.
This fossil belong to Kingdom: Animalia Class: Actinopterygii because they are the member of ray refined fish.
What are fossils?Fossils are defined as the well-preserved remnants of plants and animals whose corpses were buried in sand and mud beneath ancient seas, lakes, and rivers. The evolution of plants and animals as well as how they adapted to their habitats are both strongly supported by fossil data.
The remains of dead organisms are preserved in fossils. This is the earth's former inhabitants' impression. the history's final holdout. A Tall Drink of Water - The Fossil Falls region is unique among the many waterfalls in the Cascade Kingdom.
Thus, this fossil belong to Kingdom: Animalia Class: Actinopterygii because they are the member of ray refined fish.
To learn more about fossils, refer to the link below:
https://brainly.com/question/6867325
#SPJ1
Exotoxins can be grouped into functional categories according to the tissues they affect
•Neurotoxins damage nervous system
•Enterotoxins cause intestinal disturbance
•Cytotoxins damage variety of cell types by either interfering with cellular mechanisms or lysing cells
Both neurotoxins and enterotoxins can disrupt the digestive system. Cytotoxins harm several cell types by disrupting cellular processes or lysing cells. superantigens (Type I toxins), exotoxins (Type II toxins) that disrupt the membranes of host cells, A-B toxins, and other toxins that impair host cell function (Type III toxins).
By causing cell death or obstructing normal cellular metabolism, an exotoxin can cause injury to the host. They are extremely strong and capable of causing the host tremendous harm. Exotoxins, like endotoxins, can leak during cell lysis or can be secreted.
learn more about Exotoxins here:
https://brainly.com/question/29585652
#SPJ4
the sense organs detection of external physical stimuli is called , wheras futher processing, organizing, and interpting od those stimuli in the brain is called
The right answers are sensation and perception. Both these are two distinct but closely connected processes.
Sensation is the physiological process by which our sense organs—including the eyes, hearing, and nose—respond to stimuli from the outside world. When you eat noodles, feel the breeze on your cheek, or hear a distant automobile horn, you experience sensation. Our sense organs are engaged in transduction during sensation, which is the transformation of one type of energy into another. After the electrical signals reach our brain, we process all of this stimulation and start to understand how intricate the environment is. Perception is the term used to describe the psychological process of making sense of the stimuli. The process of organizing and interpreting the information we get from our senses is known as perception.
Learn more about sensation here:
https://brainly.com/question/20175094
#SPJ4
cocaine acts as a neural stimulant because multiple choice 2 its fat soluble properties allow it to penetrate the postsynaptic membrane and stimulate the effecter organ directly. it inhibits the reuptake of neurotransmitters from the synaptic cleft, thereby increasing their concentration and the postsynaptic stimulation. it directly binds to the postsynaptic receptor, producing unhindered stimulation. it penetrates the presynaptic membrane and there it is metabolized to the neurotransmitter.
It prevents neurotransmitter reuptake from the synaptic cleft, thereby raising their concentration and stimulating postsynaptic receptors.
Free tryptophan (TRP), which is a precursor to 5-HT, is transformed in the terminal axon of the serotonergic neuron . Tryptophan hydroxylase (TPH) and aromatic decarboxylase are the enzymes that catalyse the two steps of 5-HT production (DDC). The rate-limiting enzyme, TPH, comes in two different isoforms, TPH1 and TPH2. In neural tissue, the TPH2 isoform predominates [3, 4]. The vesicular monoamine transporter mediates the uptake of 5-HT into presynaptic storage neurotransmitter vesicles (SLC18A2). The transporter uses a proton gradient across the vesicular membrane to deposit serotonin into synaptic vesicles . Monoamine oxidase A (MAOA) converts 5-HT that isn't stored in vesicles into 5-hydroxyindoleacetic acid (5-HIAA).
Serotonin is exocytotically released from presynaptic vesicles into the synaptic cleft in response to an action potential.
Learn more about neurotransmitter using this link:
https://brainly.com/question/9725469
#SPJ4
the testcross aa bb × aa bb produces the progeny shown: 40 aa bb, 10 aa bb, 10 aa bb, 40 aa bb. what was the arrangement of the genes in the aa bb parent?
The arrangement of the genes in the aa bb parent is in repulsion. The genes are in repulsion because the most numerous progeny are the nonrecombinants.
What does it mean when genes are in repulsion?
Repulsion refers to the case where each homologous chromosome has one dominant and one recessive allele from the two genes.
What is Gametic repulsion?
Similarly, it was observed that when two such dominant alleles or two recessive alleles come from different parents, they tend to remain separate. This was called gametic repulsion.
What is repulsion configuration?
When one wild-type allele and one mutant allele are on one homologous chromosome, and the opposite is on the other, this is known as a repulsion (or trans) configuration (e.g., A+b– / a–B+). The way to determine the orientation is to look at the parents (or P generation) of that cross if you know their genotypes of them.
Thus, the arrangement of genes is in repulsion.
To know more about repulsion in genes:
https://brainly.com/question/28196607
#SPJ4
an experimental drug has been added to a eukaryotic cell, and while the drug was designed to interfere with a membrane transport process, the investigators found that in cells treated with the drug the lysosomes quickly turned into inclusion bodies. none of the material directed to the lysosomes for removal was being digested in the lysosome, and remained intact inside the organelle. an analysis of lysosomal contents in drug-treated cells indicated that the full complement of lysosomal enzymes were present in the organelle. assuming that the drug is targeting just one protein, which one of the following proteins is most likely the target?
Lysosomal enzymes play a major role in the degradation of material that has been ingested, and they work best within a specific range of acidic pH values.
What is the procedure known as when lysosomes digest damaged cells?They could be utilized to eliminate invasive bacteria and viruses. Lysosomes can assist a cell in self-destruction in a process known as programmed cell death, or apoptosis, if the damage is irreparable.
What kind of lysosomes remove deteriorated organelles?Old organelles and dysfunctional cellular components are eliminated from a cell by the process of auto phagocytosis, in which they are encased by internal membranes that then join with lysosomes.
To know more about Lysosomal enzymes visit:-
https://brainly.com/question/29305185
#SPJ4
coral reefs are formed by the growth of coral polyps, which form a mutualistic relationship with algae. explain how each organism benefits from this relationship
These unique cells interact mutualistically with corals. The coral gives zooxanthellae a safe environment and the substances necessary for photosynthesis. The coral receives oxygen production and waste removal assistance from the zooxanthellae in return.
What is Mutualistic relationship ?
When two organisms of different species "operate together," they are said to be in a mutualistic relationship since they both gain from it.Ticks and other skin-living parasites are eaten by oxpeckers when they settle on rhinos or zebras. The oxpeckers are fed, and the animals are protected from pests. Additionally, the oxpeckers fly upward and scream a warning when there is danger, which aids the symbiont (a name for the other partner in a relationship).
Mutualistic organisms developed alongside one another. Both was a component of the other's environment, thus while they each "made use of" themselves, it was to their mutual advantage.
A sort of mutually beneficial association between creatures of various species is referred to as mutualism. Two separate species interact with one another and, in certain situations, completely depend on one another for survival. This is a symbiotic interaction. Other symbiotic connections include commensalism and parasitism, in which one species gains while the other suffers (where one species benefits without harming or helping the other).
For a variety of crucial reasons, including the need for food, shelter, and protection as well as for reproductive functions, organisms live in mutualistic interactions.
Learn more about Mutualistic relationship from given link
https://brainly.com/question/2752810
#SPJ4
what division of the nervous system is composed of the cranial and spinal nerves? biolgy abeka 10th grade
Peripheral nervous system division of the nervous system is composed of the cranial and spinal nerves.
Your nervous system's portion outside of your brain and spinal cord is known as your peripheral nervous system (PNS). It is essential for both carrying out commands from your brain to various sections of your body and relaying information from various parts of your body back to your brain. One of the two parts that make up an animal's nervous system, together with the central nervous system, is the peripheral nervous system.
Spinal nerves are mixed nerves that communicate with the spinal cord directly in order to modulate sensory and motor information coming from the body's periphery. Your brain, spinal cord, and the rest of your body receive electrical signals from your spinal nerves.
learn more about peripheral nervous system here
https://brainly.com/question/328696
#SPJ4
bark consists of a) cork only. b) cork cambium and pith. c) secondary phloem, cork cambium, and cork. d) secondary xylem, cork cambium, and cork.
Bark consist of secondary phloem, cork cambium and cork (c).
What parts make up tree bark?Bark is the outermost part of stems and roots of woody plants such as trees. It provides significant support and protection from many form of damages.
As woody plants grow, they will grow by adding cells to the internal layers. Since the vascular cambium is the main growth layer in woody plants, addition of cell layers to the inside ring of vascular cambium cause the outside is pushed outward. It will forms another part named bark.
Bark consist of tissues outside the vascular cambium. The inner bark is composed of living tissues, secondary phloem.There is also cork cambium which develops and forms cork cells. This cells push the old secondary phloem outward and eventually die and slough off. All tissues outside the cork cambium constitute the outer bark, including the nonfunctional phloem and cork cells. Thus the outer bark is made up of dead tissue.
Learn more about vascular cambium by clicking this linkhttps://brainly.com/question/13927039
#SPJ4
What is the Compacted/condensed "copy" of a chromosome? Only visible during M-phase. Each side will separate during Anaphase. (Sisters) What is each side called?
Chromosome
Chromatin
Chromatid
DNA
The compacted/condensed copy of a chromosome visible during the M-phase and each side separated during the anaphase is called (sister) chromatid, 3rd option.
What are chromatids?A chromatid is a part of the two identical halves of a chromosome that has been replicated during the the anaphase of cell division. They are known as sister chromatids and are joined at constricted region of the chromosome.
They are also the known as daughter cells to chromosomes. They are made of chromatin fibers during the meiosis and mitosis. Another name for these sister chromatids are dyad. All of this process occur after DNA replication.
Find out more on chromatids here: https://brainly.com/question/1086423
#SPJ1
How does porosity relate to the grain size of sediment
Suppose a female fruit fly carries a mutation in her nanos gene that prevents expression of the nanos protein in any eggs she produces. Which effect is likely to be observed?.
Her eggs create fruit fly embryos with two heads, one of which is on a gene that blocks the expression of the nanos protein in any subsequent eggs she produces.
Which circumstances would cause developing ducks to lose their webbing?Webbing is lost as a result of apoptosis. Duck embryos that have been experimentally implanted with mutant BMP4 have non-webbed feet. Both the growth of a single organism and the evolution of species distinctions are governed by the actions of genes under the direction of genetic switches.
Which role do gap genes play in Drosophila?In Drosophila melanogaster and other insects, the gap gene system regulates the initial steps of the segmentation pathway. This system plays a crucial part in embryo patterning due to its tractability and has been the area of interest for both experimentalists and computational modelers.
To know more about embryos visit:-
brainly.com/question/1673695
#SPJ4
what is the role of helper t cells in the adaptive immune response? what is the role of helper t cells in the adaptive immune response? helper t cells produc
Given that nearly all adaptive immune responses depend on helper T cells, they are arguably the most significant cells in adaptive immunity.
They support the activation of cytotoxic T cells, which kill infected target cells, as well as macrophages and B cells that release antibodies and kill ingested microorganisms. Without helper T cells, we cannot protect ourselves even against numerous ordinarily harmless bacteria, as was vividly shown in AIDS patients. However, helper T cells cannot function by themselves; they must be stimulated to become effector cells. They develop during the innate immunity responses brought on by an infection and become activated on the surface of antigen-presenting cells.
Learn more about helper T cells here
https://brainly.com/question/29518832
#SPJ4
using the laboratory tests in this experiment, would you be able to distinguish between a starch and a sugar such as glucose? explain why or why not.
because the iodine test in a lab can distinguish between starch and glucose. With an iodine solution, starch becomes blue, whereas glucose does not.
The most fundamental kind of carbohydrate is glucose. It is a monosaccharide and is quickly taken up by cells. The respiratory substrate is another name for it. A polysaccharide of glucose is starch. It is a kind of stored glucose. In the iodine test, the starch component amylose combines with the iodine to create a complex that is coloured blue-black. Amylose has a helical structure, and this helical structure contains the iodine.
The majority of green plants synthesize this polysaccharide as a form of energy storage. It is the most prevalent carbohydrate in diets for people everywhere.
Learn more about starch here
https://brainly.com/question/14278135
#SPJ4
9. A plant which is
homozygous tall is crossed
with a plant that has a
short phenotype. What
percentage of plants
will be tall?
O 100%
50%
O 0%
O 25%
Answer:
Explanation:
0%
What is the biological significance of the fact that this equilibrium is a saddle point?.
The biological significance of equilibrium is a saddle point i.e. Bifurcation theory's biological applications give us a foundation for understanding the dynamics of biological networks that thought of dynamical systems.
The trapeziometacarpal joint at the base of your thumb is the best illustration of a saddle joint. It joins your thumb's trapezium and metacarpal bone. Your thumb may stretch significantly to help you grasp huge objects because of the joint's flexion-extension and abduction-adduction properties. Additionally, it has the ability to slid inward, touching each of your other fingers closely. Osteoarthritis in this region may also impact your thumb and inner wrist, resulting in discomfort, stiffness, and weakness. A form of synovial joint called a saddle joint has opposing surfaces that are reciprocally concave and convex (sellar joint, articulation by reciprocal reception). It can be discovered in the thumb, thorax, heel, and middle ear. Saddle joints are able to move in all of these directions, just as the condyloid joint: flexion, extension, adduction, abduction, and circumduction. Axial rotation is not permitted, though. When saddle joints can move in both the sagittal and frontal planes, they are said to be biaxial.
To know more about saddle please refer: https://brainly.com/question/6430451
#SPJ4
teriparatide (a recombinant parathyroid hormone) has been shown to be an effective treatment for women with postmenopausal osteoporosis. they tried testing this as an effective therapy for astronauts in space to limit their bone loss. in theory, what would teriparatide do? click all that apply.
An artificial version of the human hormone parathyroid hormone, which is found in teriparatide injection (PTH). It functions by encouraging the body to produce new bone while boosting bone strength and density.
Teriparatide was superior to bisphosphonates in avoiding fracture in postmenopausal women with osteoporosis in both the short- and long-term follow-up periods, according to the findings of our meta-analysis. Teriparatide prevented both vertebral & non-vertebral fractures better than bisphosphonates. PTH increases the production of pro-osteoclastogenic cytokines such receptor activator of nuclear factor kappa ligand (RANKL) and macrophage colonists factor in osteoblasts and osteocytes to exercise its catabolic effects. Osteoporosis for postmenopausal women hormone who are high risk of bone fracture is treated with teriparatide injection. It lessens the chance that postmenopausal women with osteoporosis may have a bone or spine fracture.
Learn more about hormone
https://brainly.com/question/13020697
#SPJ4
How could we collect evidence to support this one way or the other?
Giving a citation to a source that supports your claim—either a source that concurs with you or supporting data—is the most common method of argumentation.
What is evidence?This method could need to be expanded as your studies go on, perhaps by citing more sources or offering critical commentary on them.
A good reference may be extremely selective and ignore superior or contradicting sources.
Even better is a carefully picked reference from a reputable study or scholar, and best of all are multiple sources that show the weight of the evidence mounting over time. The point has been made, but after three or four references, it starts to feel a little redundant.
Therefore, Giving a citation to a source that supports your claim—either a source that concurs with you or supporting data—is the most common method of argumentation.
To learn more about evidence, refer to the link:
https://brainly.com/question/15880833
#SPJ1
the highlighted structure articulates with which structure and bone? the highlighted structure articulates with which structure and bone? coronoid process of the ulna coronoid fossa of the humerus radial notch of the ulna radial fossa of the humerus
The highlighted structure articulates with the structure and the bone is a radial notch of the ulna.
(Highlight is in the picture)
The articular surface of the ulna is called the radius the ulnar notch is at the distal radius, and is narrow, concave, smooth, and articulates with the head of the ulna to form the distal radioulnar joint.
The top of the ulna forms a C-shaped protrusion, consisting of a radial notch and a trochlear notch. The radial notch is the point where the radius joins the ulna. These two structures rest on one another and join to form the forearm. In addition, this structure allows the ulna to function properly. This notch allows fingers to move smoothly and freely.
Complete question:
The highlighted structure articulates with which structure and bone? (the choice is)
coronoid process of the ulna
coronoid fossa of the humerus
radial notch of the ulna
radial fossa of the humerus
Learn more about the radial notch of the ulna at https://brainly.com/question/18484639
#SPJ4
Mishkin, Ungerleider, and Macko (1983) argue that the large receptive fields of inferior temporal neurons provide a neural basis for a particular visual ability. What is that ability?
The large receptive fields allow for translation invariance, which is the ability to recognize the same object regardless of the position in the visual field.
The large receptive fields of inferior temporal lobe neurons enable translational invariance, the ability to perceive the same object regardless of its position in the visual field.
Are neural network translations immutable?In general, convolutional neural networks (CNNs) are assumed to be architecturally invariant to translation, thanks to the convolution and/or pooling operations they have. In fact, several papers have found that these networks are systematically unable to recognize new objects in locations where they have not been trained.
What is translation invariance and where is it used??Translation invariance means that the system will produce exactly the same answer no matter how the input is translated. For example, a face detector could report "FACE DETECTED" for all three images in the top row.Translation invariance can also be achieved by applying a pooling operation. That is, after pooling is applied, the region or object is invariant to (small) translations. Translational invariance is a highly desirable property in many tasks such as object recognition and speech recognition.To learn more about temporal neurons visit:
https://brainly.com/question/28495014
#SPJ4
If a human is bitten by an animal that has rabies, then it is recommended that the human receive immune globin (human rabies antibodies) and a rabies vaccination (with inactive virus) as well. Which of the following is the best (and most specific) explanation for why both are recommended in this case?
a. Because rabies is such a serious illness, using antibodies and a vaccine provides the strongest possible immediate protection. Both antibodies and the vaccine provide a rapid immediate response to prevent illness from developing.
b. The rabies antibodies provide a rapid response but short-lived response while the vaccination provides slower but longer-lasting protection.
c. The rabies vaccination is relatively new and ineffective, so it is important to give the immune globin as well to make certain that the viruses cannot cause disease.
While the immunization offers slower but more durable protection, the rabies antibodies offer a quick but transient response. There are rabies immunoglobulins and vaccinations for humans to immunization.
People are immunized with the same vaccine either before or after exposure to rabies antibodies(see PEP) (less common). People who work in high-risk occupations, such as laboratories handling live rabies and rabies-related (lyssavirus) viruses, as well as people (such as animal antibodies disease control staff and wildlife rangers) whose professional or recreational activities of antibodies might put them in close proximity to bats, carnivores, or other mammals that may be infected, antibodies should get pre-exposure immunization.
learn more about antibodies here:
https://brainly.com/question/445604
#SPJ4
Explain what happens when a strong acid and a strong base are poured into the same container
Answer: When an acid and a base are combined in equal ratios, the two chemicals essentially cancel each other out to generate salt and water.
Explanation:
Strong acid and strong base in equal amounts produce a neutral solution with a pH of 7, and these kinds of reactions are referred to as neutralization reactions.
The pH of the resulting solution can be calculated from the concentration of the excess reactant if either the acid or the base is in excess. And The pH of water will drastically change if a strong acid or strong base is added.
For instance, the reaction HCl + H2O H3O+ + Cl- occurs when a strong acid like HCl is added to water. In other words, the acid's proton (H+) bonds to the neutral water molecules to generate H3O+, which increases the H+ concentration.
To learn more about Acids,
https://brainly.com/question/14072179
https://brainly.com/question/11543614
what type of interspecific interaction exists between coyotes and turkeys? what are the other types of interspecific interactions that exist in nature?
The type of interspecific interaction that exists between coyotes and turkeys is predation. the other types of interspecific interactions that exist in nature are parasitism, commensalism, competition, and mutualism.
Interspecific interactions, from the Latin inter- meaning "between," refer to interactions within a community of species. Competition, predation, mutualism, commensalism, and parasitism are the main interspecific interaction types. Predation occurs when a member of one species, the predator (coyotes here), consumes all or a portion of the body of a member of a different species, the prey (turkeys). Thus, the type of interspecific interaction that exists between coyotes and turkeys is predation.
Two kinds of organisms compete with one another and harm one another when they consume the same scarce resource. a close relationship that lasts a long time and between two species, with mutual benefit. Commensalism is a long-term, close relationship between two species in which one benefits while the other is unaffected. Pariatism is a close, long-term relationship where one species gains while the other suffers.
To know more about interspecific interactions, refer to the following link:
https://brainly.com/question/14137840
#SPJ4
he activity asks you to identify potential targets of antimicrobial drugs by dragging labels to the target. drag the following labels to the appropriate antimicrobial target in the diagram. view available hint(s)for part a
Antimicrobial drugs have been developed to target five bacterial targets: cell wall synthesis, protein synthesis, ribonucleic acid synthesis, deoxyribonucleic acid (DNA) synthesis, and intermediary metabolism.
Antimicrobials are medications that are used to prevent and treat infections in humans, animals, and plants. They include antibiotics, antivirals, antifungals, and antiparasitics.
Cell wall synthesis
Overview of the cell wall The bacterial cell wall monomer lipid II is synthesized inside the cytoplasm and then flipped outward by the transporter MurJ.
Protein synthesis
Protein synthesis refers to the process through which cells produce proteins. Transcription and translation are the two phases. Transcription is the process by which genetic instructions in DNA are transferred to mRNA in the nucleus. It is divided into three stages: initiation, elongation, and termination.
Ribonucleic acid synthesis
Transcription is the process by which RNA is synthesized using DNA as a template and is catalyzed by an enzyme called RNA polymerase. The binding of the enzyme to a promoter sequence in the DNA initiates transcription.
Intermediary metabolism.
The subfield of biochemistry traditionally concerned with the vast and highly integrated network of biochemical reactions that provides cells with forms of energy for immediate use (i.e., metabolic energy), reducing power, and biosynthetic intermediates is known as intermediary metabolism.
Learn more about antimicrobial drugs to visit this link
https://brainly.com/question/28068791
#SPJ4
What was marshall nirenberg and heinrich matthaei’s contribution to our current understanding of the genetic code?
a. discovery of codons
b. discovery and extraction of dna
c. creation of a model of dna
d. creation of photo
Answer: c.
Explanation: discovered the key to breaking the genetic code when they conducted an experiment using a synthetic RNA chain.
Bryophytes are usually found in areas that are very wet or damp at least part of the year. Which of the following statements describes characteristics of bryophytes that make them dependent on water? Check all that apply. They have swimming sperm that need water so they can swim to fertilize the eggs of other nearby plants. They do not have lignin-stiffened vascular tissue or roots to effectively distribute water throughout the plant. Some species are able to reproduce asexually through fragmentation.
Characteristics of bryophytes that make them dependent on water is a)They have swimming sperm that need water so they can swim to fertilize the eggs of other nearby plants. So, correct option is A.
The Bryophyta s.l. are a proposed ordered division containing three gatherings of non-vascular land plants (embryophytes): the liverworts, hornworts and greeneries. Bryophyta s.s. comprises of the greeneries as it were. They are distinctively restricted in size and lean toward wet territories despite the fact that they can get by in drier conditions.
The bryophytes comprise of around 20,000 plant species.Bryophytes produce encased regenerative designs (gametangia and sporangia), yet they don't create blossoms or seeds. They repeat physically by spores and agamically by discontinuity or the development of gemmae. However bryophytes were considered a paraphyletic bunch lately, practically all of the latest phylogenetic proof backings the monophyly of this gathering, as initially characterized by Wilhelm Schimper in 1879.
Hence, option A is correct.
To know more about Bryophytes, visit here:
https://brainly.com/question/12375814
#SPJ4
(Complete question) is:
Bryophytes are usually found in areas that are very wet or damp at least part of the year. Which of the following statements describes characteristics of bryophytes that make them dependent on water? Check all that apply.
A)They have swimming sperm that need water so they can swim to fertilize the eggs of other nearby plants.
B)They do not have lignin-stiffened vascular tissue or roots to effectively distribute water throughout the plant.
C) Some species are able to reproduce asexually through fragmentation.
In the process of carbon ____, carbon dioxide is incorporated into a molecule of ribulose diphosphate forming an unstable 6 carbon intermediate that immediate that immediately splits into two 3 carbon molecules
Fixation
Answer: Fixation
Explanation:
imagine all the histone h3 molecules in the cell have a mutation that changes their lysine-9 residue to an alanine. assuming this cell could still live, what would be the result?
En Drosophila, el complejo dSAGA que contiene dADA2b está involucrado en la acetilación de la histona H3 lisina 9 y 14. Curiosamente, aunque los niveles de histona H3 acetilada en lisina 9 y 14 se reducen considerablemente en los mutantes dAda2b,
estos animales sobreviven hasta una etapa tardía de desarrollo. Para estudiar las consecuencias moleculares de la pérdida de la acetilación de la histona H3 lisina 9 y 14, comparamos los perfiles de ácido ribonucleico mensajero (ARNm) total de animales de tipo salvaje y mutantes dAda2b en dos etapas de desarrollo. El perfil de expresión génica global indica que la pérdida de la acetilación de lisina 9 y 14 H3 específica de dSAGA da como resultado el cambio de expresión (regulación hacia arriba o hacia abajo) de un subconjunto bastante pequeño de genes y no causa una desregulación general de la transcripción. Entre los genes regulados al alza en los mutantes dAda2b, un número particularmente elevado son aquellos que desempeñan funciones en los mecanismos de defensa antimicrobianos. Los resultados de los experimentos de inmunoprecipitación de cromatina indican que en los mutantes dAda2b, los niveles de histona H3 acetilada con lisina 9 disminuyen tanto en los genes regulados por aumento como por disminución de dSAGA. En contraste con eso, en los promotores de genes de proteína ribosómica independientes de dSAGA se mantiene un alto nivel de histona H3K9ac en mutantes dAda2b. Nuestros datos sugieren que al acetilar H3 en la lisina 9, dSAGA modifica la accesibilidad de Pol II a promotores específicos de manera diferente.
To learn more about antimicrobianos please click on below link
https://brainly.com/question/28032571
#SPJ4
what biome is characterized by alternating rainy and dry seasons and large herds of grazing animals that migrate in response to the seasons?
tropical dry forest, also called monsoon forest or tropical deciduous forest, biome of any open forest in tropical areas that have a long dry season followed by a heavy rainy season.
Found on all continents except Antarctica, the grassland biome is characterized by being flat and grassy, with little tree cover. Large grazing mammals, such as elephants or bison, inhabit these areas, along with small mammals, birds, and predators. The grassland biome is made up of large open areas of grasses. They are kept with grazing animals and frequent fires. Grassland types include savannas and temperate grasslands. If it rained all year, the savannahs would turn into tropical forests, full of trees and tall vegetation. For grasslands to survive, they need dry spells that prevent trees from taking over.
To learn more about Antarctica please click on below link
https://brainly.com/question/8533665
#SPJ4